Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001209191-21-054838
Filing Date
2021-09-03
Accepted
2021-09-03 17:35:35
Documents
1
Period of Report
2021-09-01

Document Format Files

Seq Description Document Type Size
1 FORM 4 SUBMISSION doc4.html 4  
1 FORM 4 SUBMISSION doc4.xml 4 4983
  Complete submission text file 0001209191-21-054838.txt   6452
Mailing Address 2105 CITYWEST BLVD SUITE 100 HOUSTON TX 770422855
Business Address 2105 CITYWEST BLVD SUITE 100 HOUSTON TX 770422855 2819333339
ION GEOPHYSICAL CORP (Issuer) CIK: 0000866609 (see all company filings)

EIN.: 222286646 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 1382 Oil & Gas Field Exploration Services

Mailing Address 2105 CITYWEST BLVD. SUITE 100 HOUSTON TX 77042
Business Address
DORAN MARK J (Reporting) CIK: 0001253833 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-12691 | Film No.: 211237594